Second order cosmological perturbations: simplified gauge change formulas
نویسندگان
چکیده
منابع مشابه
Gauge-invariant Formulation of the Second-order Cosmological Perturbations
Gauge invariant treatments of the second order cosmological perturbation in a four dimensional homogeneous isotropic universe filled with the perfect fluid are completely formulated without any gauge fixing. We derive all components of the Einstein equations in the case where the first order vector and tensor modes are negligible. These equations imply that the tensor and the vector mode of the...
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The second order perturbations in Friedmann-Robertson-Walker universe filled with a perfect fluid are completely formulated in the gauge invariant manner without any gauge fixing. All components of the Einstein equations are derived neglecting the first order vector and tensor modes. These equations imply that the tensor and the vector mode of the second order metric perturbations may be genera...
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ژورنال
عنوان ژورنال: Classical and Quantum Gravity
سال: 2019
ISSN: 0264-9381,1361-6382
DOI: 10.1088/1361-6382/aaf924